e^(y)-e^(2)+sin(x)=0,y=ln(e^(2)-sin(x)),dy/dx=-cos(x)/(e^(2)-sin(x).
1).(x-1)^4/4|(-1,1)=(1-1))^4/4-(-1-1))^4/4=-4;
2).∫（下限為0,上限為5）|1-x|dx=-∫（下限為0,上限為1）x-1dx+
∫（下限為1,上限為5）x-1dx=-(x-1)^2/2|(0,1)+(x-1)^2/2|(1,5)=17/2;
x√x^2是奇函數(shù),所以∫（下限為-2,上限為2）x√x^2dx=0